From e6f4f9cfde0f586c276190f541ecfc80d9b688bc Mon Sep 17 00:00:00 2001 From: Eric Yang Date: Thu, 5 Oct 2017 16:00:29 -0400 Subject: [PATCH] drm/amd/display: fix null dereference in reset hw ctx Signed-off-by: Eric Yang Reviewed-by: Tony Cheng Acked-by: Harry Wentland Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c index 867a0eb9f2e0..5e5763c0ee94 100644 --- a/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c +++ b/drivers/gpu/drm/amd/display/dc/dce110/dce110_hw_sequencer.c @@ -1877,7 +1877,7 @@ static void dce110_reset_hw_ctx_wrap( struct clock_source *old_clk = pipe_ctx_old->clock_source; /* disable already, no need to disable again */ - if (!pipe_ctx->stream->dpms_off) + if (pipe_ctx->stream && !pipe_ctx->stream->dpms_off) core_link_disable_stream(pipe_ctx_old, FREE_ACQUIRED_RESOURCE); pipe_ctx_old->stream_res.tg->funcs->set_blank(pipe_ctx_old->stream_res.tg, true); -- 2.11.0